<?php
/**
 * @Author: Marte
 * @Date:   2017-08-08 10:06:14
 * @Last Modified by:   Marte
 * @Last Modified time: 2017-08-08 10:26:36
 */


function alert_back($_info)
{
    echo "<script>alert(''.$_info.'');window.history.back();</script>";
}

?>